This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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ad. Painfully; grievously.

ad. Extremely; greatly: Their skills were sorely needed.

ad. In a sore or desperate manner.

ad. In a sore manner; grievously; painfully.

Sore; sorrowful.

In a sore manner; painfully; sadly; violently; severely; extremely.

ad. in or as if in pain

ad. to a great degree

""Oh, Teddy!" cries she, suddenly, covering her face with her hands, "at times, when I see certain flowers or hear some music connected with the olden days, my heart dies within me, -- I lose all hope; and then I miss you sorely, -- _sorely_.""

grievously    painfully   

sore   

Morley    Orly